Just about every Wednesday afternoon from 4 to 7 p.m., shortly after the final school bell rings, teens gather at Art Primo, an art-supply store and gallery on Pine Street. Huddled around the drawing ...

For over four decades, Bronx-born artist Julius Cavero—better known as Tkid170—has been a defining force in the graffiti movement. Emerging from the early days of New York’s subway art scene, Tkid170 ...